ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,818, issued on July 21, was assigned to ETA SA Manufacture Horlogere Suisse (Grenchen, Switzerland).
"Timepiece with localised illumination" was invented by Sylvain Huot-Marchand (Eschert, Switzerland) and Dominique Dubugnon (Saint-Prex, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A timepiece including at least one timepiece external element including a visible face formed by a transparent or translucent body including an autonomous lighting device, the timepiece external element being formed by an assembly of a plurality of stacked layers connected together, each including one or more of the following functional elements of the light...